139052360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112139}}^1$

素因数の和:112181

約数の個数: 32

約数和(自身を含む): 322963200

約数和(自身を除く): 183910840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 112139, 224278, 448556, 560695, 897112, 1121390, 2242780, 3476309, 4485560, 6952618, 13905236, 17381545, 27810472, 34763090, 69526180, 139052360]

約数ペア:

[(1, 139052360), (2, 69526180), (4, 34763090), (5, 27810472), (8, 17381545), (10, 13905236), (20, 6952618), (31, 4485560), (40, 3476309), (62, 2242780), (124, 1121390), (155, 897112), (248, 560695), (310, 448556), (620, 224278), (1240, 112139)]